<template>
  <div
    id="aCoursesList"
    class="bg-fa of">
    <!-- /课程详情 开始 -->
    <section class="container">
      <section class="path-wrap txtOf hLh30">
        <a
          href="#"
          title
          class="c-999 fsize14">首页</a>
        \
        <a
          href="#"
          title
          class="c-999 fsize14">{{
            courseWebVo.subjectLevelOne
          }}</a>
        \
        <span class="c-333 fsize14">{{ courseWebVo.subjectLevelTwo }}</span>
      </section>
      <div>
        <article
          class="c-v-pic-wrap"
          style="height: 357px">
          <section
            id="videoPlay"
            class="p-h-video-box">
            <img
              :src="courseWebVo.cover"
              :alt="courseWebVo.title"
              height="357px"
              width="680px"
              class="dis c-v-pic">
          </section>
        </article>
        <aside class="c-attr-wrap">
          <section class="ml20 mr15">
            <h2 class="hLh30 txtOf mt15">
              <span class="c-fff fsize24">{{ courseWebVo.title }}</span>
            </h2>
            <section class="c-attr-jg">
              <span class="c-fff">价格：</span>
              <b
                class="c-yellow"
                style="font-size: 24px">￥{{ courseWebVo.price }}</b>
            </section>
            <section class="c-attr-mt c-attr-undis">
              <span class="c-fff fsize14">主讲：
                {{ courseWebVo.teacherName }}&nbsp;&nbsp;&nbsp;</span>
            </section>
            <section class="c-attr-mt of">
              <span class="ml10 vam">
                <em class="icon18 scIcon" />
                <a
                  class="c-fff vam"
                  title="收藏"
                  href="#">收藏</a>
              </span>
            </section>
            <section class="c-attr-mt">
              <a
                v-if="!status&&Number(this.courseWebVo.price)!=0"
                href="#"
                title="立即购买"
                class="comm-btn c-btn-3"

                @click="createOrder(courseWebVo.id)">立即购买</a>
              <a
                v-else
                href="#"
                title="立即观看"
                class="comm-btn c-btn-3"
              >立即观看</a>
            </section>
          </section>
        </aside>
        <aside class="thr-attr-box">
          <ol class="thr-attr-ol ">
            <li>
              <p>&nbsp;</p>
              <aside>
                <span
                  class="c-fff f-fM"
                >购买数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ courseWebVo.buyCount }}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">课时数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ courseWebVo.lessonNum }}</h6>
              </aside>
            </li>
            <li>
              <p>&nbsp;</p>
              <aside>
                <span class="c-fff f-fM">浏览数</span>
                <br>
                <h6 class="c-fff f-fM mt10">{{ courseWebVo.viewCount }}</h6>
              </aside>
            </li>
          </ol>
        </aside>
        <div class="clear" />
      </div>
      <!-- /课程封面介绍 -->
      <div class="mt20 c-infor-box">
        <article class="fl col-7">
          <section class="mr30">
            <div class="i-box">
              <div>
                <section
                  id="c-i-tabTitle"
                  class="c-infor-tabTitle c-tab-title">
                  <a
                    name="c-i"
                    class="current"
                    title="课程详情">课程详情</a>
                </section>
              </div>
              <article class="ml10 mr10 pt20">
                <div>
                  <h6 class="c-i-content c-infor-title">
                    <span>课程介绍</span>
                  </h6>
                  <div class="course-txt-body-wrap">
                    <section class="course-txt-body">
                      <p v-html="courseWebVo.description">
                        {{ courseWebVo.description }}
                      </p>
                    </section>
                  </div>
                </div>
                <!-- /课程介绍 -->
                <div class="mt50">
                  <h6 class="c-g-content c-infor-title">
                    <span>课程大纲</span>
                  </h6>
                  <section class="mt20">
                    <div class="lh-menu-wrap">
                      <menu
                        id="lh-menu"
                        class="lh-menu mt10 mr10">
                        <ul>
                          <!-- 文件目录 -->
                          <li
                            v-for="chapter in chapterVideoList"
                            :key="chapter.id"
                            class="lh-menu-stair">
                            <a
                              :title="chapter.title"
                              href="javascript: void(0)"
                              class="current-1">
                              <em class="lh-menu-i-1 icon18 mr10" />{{
                                chapter.title
                              }}
                            </a>

                            <ol
                              class="lh-menu-ol"
                              style="display: block">
                              <li
                                v-for="video in chapter.children"
                                :key="video.id"
                                class="lh-menu-second ml30">
                                <a
                                  :href="'/player/' + video.videoSourceId"
                                  target="_blank">
                                  <span class="fr">
                                    <i class="free-icon vam mr10">免费试听</i>
                                  </span>
                                  <em
                                  class="lh-menu-i-2 icon16 mr5">&nbsp;</em>{{ video.title }}
                                </a>
                              </li>
                            </ol>
                          </li>
                        </ul>
                      </menu>
                    </div>
                  </section>
                </div>
                <!-- /课程大纲 -->
              </article>
            </div>
          </section>
        </article>
        <aside class="fl col-3">
          <div class="i-box">
            <div>
              <section class="c-infor-tabTitle c-tab-title">
                <a
                  title
                  href="javascript:void(0)">主讲讲师</a>
              </section>
              <section class="stud-act-list">
                <ul style="height: auto">
                  <li>
                    <div class="u-face">
                      <a href="#">
                        <img
                          :src="courseWebVo.avatar"
                          width="50"
                          height="50"
                          alt>
                      </a>
                    </div>
                    <section class="hLh30 txtOf">
                      <a
                        class="c-333 fsize16 fl"
                        href="#">{{
                          courseWebVo.teacherName
                        }}</a>
                    </section>
                    <section class="hLh20 txtOf">
                      <span class="c-999">{{ courseWebVo.intro }}</span>
                    </section>
                  </li>
                </ul>
              </section>
            </div>
          </div>
        </aside>
        <div class="clear" />
      </div>
    </section>
    <!-- /课程详情 结束 -->

    <!-- 课程评价 -->
    <div class="mt50 commentHtml">
      <div>
        <h6
          id="i-art-comment"
          class="c-c-content c-infor-title">
          <span class="commentTitle">课程评论</span>
        </h6>
        <section class="lh-bj-list pr mt20 replyhtml">
          <ul>
            <li class="unBr">
              <aside class="noter-pic">
                <!-- <img
                  width="50"
                  height="50"
                  class="picImg"
                  src="~/assets/img/avatarboy.gif"
                > -->
              </aside>
              <div class="of">
                <section class="n-reply-wrap">
                  <fieldset>
                    <textarea
                      id="commentContent"
                      v-model="comment.content"
                      name=""
                      placeholder="输入您要
评论的文字" />
                  </fieldset>
                  <p class="of mt5 tar pl10 pr10">
                    <span class="fl"><tt
                      class="c-red commentContentmeg"
                      style="display: none" /></span>
                    <input
                      type="button"
                      value="回复"
                      class="lh-reply-btn"
                      @click="addComment()">
                  </p>
                </section>
              </div>
            </li>
          </ul>
        </section>
        <section class="">
          <section class="question-list lh-bj-list pr">
            <ul class="pr10">
              <li
                v-for="(comment, index) in data.items"
                :key="index">
                <aside class="noter-pic">
                  <img
                    :src="comment.avatar"
                    width="50"
                    height="50"
                    class="picImg">
                </aside>
                <div class="of">
                  <span class="fl">
                    <font class="fsize12 c-blue"> {{ comment.nickname }}</font>
                    <font class="fsize12 c-999 ml5">评论：{{ comment.memberId }}</font>
                  </span>
                  <el-button
                    v-if="comment.memberId==memberId"
                    type="danger"
                    size="mini"
                    @click="removeComment(comment.id)">删除</el-button>
                </div>
                <div class="noter-txt mt5">
                  <p>{{ comment.content }}</p>
                </div>
                <div class="of mt5">
                  <span class="fr">
                    <font class="fsize12 c-999 ml5">{{
                      comment.gmtCreate
                    }}</font>
                  </span>
                </div>
              </li>
            </ul>
          </section>
        </section>
        <!-- 公共分页 开始 -->
        <div class="paging">
          <!-- undisable这个class是否存在，取决于数据属性hasPrevious -->
          <a
            :class="{ undisable: !data.hasPrevious }"
            href="#"
            title="首页"
            @click.prevent="gotoPage(1)">首</a>
          <a
            :class="{ undisable: !data.hasPrevious }"
            href="#"
            title="前一页"
            @click.prevent="gotoPage(data.current - 1)">&lt;</a>
          <a
            v-for="page in data.pages"
            :key="page"
            :class="{
              current: data.current == page,
              undisable: data.current == page,
            }"
            :title="'第' + page + '页'"
            href="#"
            @click.prevent="gotoPage(page)">{{ page }}</a>
          <a
            :class="{ undisable: !data.hasNext }"
            href="#"
            title="后一页"
            @click.prevent="gotoPage(data.current + 1)">&gt;</a>
          <a
            :class="{ undisable: !data.hasNext }"
            href="#"
            title="末页"
            @click.prevent="gotoPage(data.pages)">末</a>
          <div class="clear" />
        </div>
        <!-- 公共分页 结束 -->
      </div>
    </div>
  </div>
</template>

<script>
import courseApi from '@/api/course'
import comment from '@/api/comment'
import orderApi from '@/api/order'
export default {
  data() {
    return {
      status: '',
      data: {},
      // 分页
      page: 1,
      limit: 4,
      total: 10,
      courseId: this.$route.params.id,
      // 评论
      comment: {
        content: '',
        courseId: '',
        teacherId: ''
      },
      chapterVideoList: [],
      courseWebVo: {},
      memberId: ''
    }
  },
  created() {
    this.init()
    this.gotoPage(1)
  },
  methods: {
    toWatch() {

    },
    createOrder(id) {
      orderApi.createOrder(id).then((result) => {
        this.$router.push({ path: '/order/' + result.data.data.orderSn })
      })
    },
    removeComment(id) {
      comment.removeComment(id).then((result) => {
        this.$message({
          message: '删除评论成功',
          type: 'success'
        })
        this.gotoPage(this.page)
      })
    },
    gotoPage(page) {
      comment.getComment(page, this.limit, this.courseId).then((result) => {
        this.data = result.data.data
        console.log('data' + result.data.data)
      })
    },
    addComment() {
      if (this.comment.content !== '') {
        this.comment.teacherId = this.courseWebVo.teacherId
        this.comment.courseId = this.courseId
        comment.addComment(this.comment).then((result) => {
          if (result.data.code === 20000) {
            this.$message({
              message: '评论成功',
              type: 'success'
            })
            this.comment.content = ''
            this.gotoPage(this.page)
          }
        })
      }
    },
    init() {
      courseApi.courseInfo(this.$route.params.id).then((response) => {
        this.courseWebVo = response.data.data.course
        this.chapterVideoList = response.data.data.chapteVoList
        this.memberId = response.data.data.memberId
        this.status = response.data.data.status
      })
    }
  }
}
</script>
